Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Capacitor With A Dielectric01:18

Capacitor With A Dielectric

5.3K
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
5.3K
Capacitors01:15

Capacitors

1.1K
Capacitors play a crucial role in car radios, where they filter and store frequencies to ensure clear signal reception. Essentially serving as energy storage devices, capacitors store energy within their electric field and are composed of two parallel conducting plates separated by a dielectric.
When a voltage source is connected to a capacitor, positive and negative charges accumulate on the opposite plates. This accumulation generates a potential difference that equals the product of the...
1.1K
Capacitors and Capacitance01:18

Capacitors and Capacitance

10.1K
A device consisting of two electrical conductors that are separated by a distance and used to store electrical charges is called a capacitor. The space between the conductors is either a vacuum or an insulating material, called a dielectric. Capacitors have many applications, ranging from filtering static from radio reception to energy storage in heart defibrillators.
When the conductors are two identical parallel plates, it is called a parallel plate capacitor. When battery terminals are...
10.1K
Spherical and Cylindrical Capacitor01:26

Spherical and Cylindrical Capacitor

7.1K
A spherical capacitor consists of two concentric conducting spherical shells of radii R1 (inner shell) and R2 (outer shell). The shells have  equal and opposite charges of +Q and −Q, respectively. For an isolated conducting spherical capacitor, the radius of the outer shell can be considered to be infinite.
Conventionally, considering the  symmetry, the electric field between the concentric shells of a spherical capacitor is directed radially outward. The magnitude of the field,...
7.1K
Energy Stored in a Capacitor01:12

Energy Stored in a Capacitor

5.1K
When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
5.1K
Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

2.0K
In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
2.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Integrative machine learning analysis suggests novel molecular targets for liver cancer diagnosis and therapy.

Discover oncology·2026
Same author

Flash Joule Heating: A Transformative Non-Equilibrium Strategy for Next-Generation Advanced Materials.

Small methods·2025
Same author

Flash Joule Heating Synthesis of Nitrogen-Rich Defective G-C₃N₄ for Highly Efficient Photocatalytic Hydrogen Evolution.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

Challenges and prospects for advanced packaging.

Fundamental research·2024
Same author

Nanorobot Swarms Made with Laser-Induced Graphene@Fe<sub>3</sub>O<sub>4</sub> Nanoparticles with Controllable Morphology for Targeted Drug Delivery.

ACS applied materials & interfaces·2024
Same author

Lightweight and drift-free magnetically actuated millirobots via asymmetric laser-induced graphene.

Nature communications·2024
Same journal

Nongenetic <i>in Vivo</i> Bimodal Neuromodulation via Photothermal Gold Nanorods and a Multifunctional Fiber Neural Probe.

ACS nano·2026
Same journal

Electric-Field-Driven Ferredoxin 1-Independent Cuproptosis Induction Overcomes Therapy-Induced Resistance in Glioblastoma.

ACS nano·2026
Same journal

Connecting and Engaging.

ACS nano·2026
Same journal

Efficient Photocatalytic Methane Conversion to Liquid Oxygenates by Constructing Charge-Directed Transfer Pathways.

ACS nano·2026
Same journal

Mechanochemically Coupled Multidimensional Modulation of Calcium Overload.

ACS nano·2026
Same journal

Electrical Control and High-Bias Enhancement of Magnetoresistance in van der Waals Antiferromagnetic Spin-Filter Tunnel Field-Effect Transistor.

ACS nano·2026
See all related articles

Related Experiment Video

Updated: Mar 28, 2026

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
08:59

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Published on: November 30, 2022

5.3K

Flexible Asymmetrical Solid-State Supercapacitors Based on Laboratory Filter Paper.

Leicong Zhang1,2, Pengli Zhu1,3, Fengrui Zhou1

  • 1Shenzhen Institutes of Advanced Technology, Chinese Academy of Science , Shenzhen 518055, China.

ACS Nano
|December 24, 2015
PubMed
Summary
This summary is machine-generated.

Researchers developed a flexible, solid-state supercapacitor using Ni/MnO2 and active carbon electrodes on filter paper. This device offers high capacitance and stability, powering a 3V LED, paving the way for advanced wearable electronics.

Keywords:
MnO2electroless platingfilter paperflexible supercapacitorpolymer electrolyte

More Related Videos

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
12:00

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

15.4K
Elaborate Control of Inkjet Printer for Fabrication of Chip-based Supercapacitors
10:57

Elaborate Control of Inkjet Printer for Fabrication of Chip-based Supercapacitors

Published on: November 30, 2021

3.2K

Related Experiment Videos

Last Updated: Mar 28, 2026

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
08:59

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Published on: November 30, 2022

5.3K
Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
12:00

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

15.4K
Elaborate Control of Inkjet Printer for Fabrication of Chip-based Supercapacitors
10:57

Elaborate Control of Inkjet Printer for Fabrication of Chip-based Supercapacitors

Published on: November 30, 2021

3.2K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Flexible electronics require efficient and durable energy storage solutions.
  • All-solid-state supercapacitors offer enhanced safety and mechanical flexibility compared to liquid electrolyte-based devices.
  • Developing high-performance electrodes from readily available materials is crucial for practical applications.

Purpose of the Study:

  • To fabricate a flexible, asymmetrical all-solid-state supercapacitor with high electrochemical performance.
  • To utilize Ni/MnO2-filter paper and Ni/active carbon-filter paper as electrodes.
  • To investigate the electrochemical properties and flexibility of the fabricated supercapacitor.

Main Methods:

  • Fabrication of Ni/MnO2-filter paper positive electrodes via electroless plating and electrodeposition.
  • Preparation of Ni/active carbon-filter paper negative electrodes.
  • Assembly of an asymmetrical all-solid-state supercapacitor using a PVA-Na2SO4 electrolyte.
  • Electrochemical characterization including cyclic voltammetry, galvanostatic charge-discharge, and cycling stability tests.

Main Results:

  • The supercapacitor demonstrated an outstanding areal specific capacitance of 1900 mF/cm(2) at 5 mV/s.
  • Excellent cycling stability was observed, with 85.1% capacitance retention after 1000 cycles at 20 mA/cm(2).
  • The device exhibited a large volume energy density of 0.78 mWh/cm(3) and superior flexibility under bending conditions.

Conclusions:

  • The developed flexible asymmetrical supercapacitor shows high electrochemical performance and mechanical stability.
  • The fabrication method using filter paper-based electrodes is simple and cost-effective.
  • This work provides a viable approach for designing high-performance flexible supercapacitors for wearable and portable electronics.